Simplex Trading Portfolio holdings
Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.
Top Buys
| 1 |
Apple
AAPL
|
$186M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$86.2M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
$56.8M |
| 4 |
iShares Silver Trust
SLV
|
$42.9M |
| 5 |
Advanced Micro Devices
AMD
|
$36.5M |
Top Sells
| 1 |
Occidental Petroleum
OXY
|
$44.4M |
| 2 |
Financial Select Sector SPDR Fund
XLF
|
$42.8M |
| 3 |
Verizon
VZ
|
$40.8M |
| 4 |
Direxion Daily S&P 500 Bull 3x Shares
SPXL
|
$33.6M |
| 5 |
iShares China Large-Cap ETF
FXI
|
$33M |
Sector Composition
| 1 | Technology | 23.31% |
| 2 | Consumer Discretionary | 13.02% |
| 3 | Industrials | 8.24% |
| 4 | Healthcare | 7.47% |
| 5 | Financials | 6.38% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
176
Generac Holdings
GNRC
$10.3B
| $3.54M | ﹤0.01% |
11,918
-14,786
| -55% | -$4.39M |
|
177
Transocean
RIG
$2.82B
| $3.53M | ﹤0.01% |
772,137
+719,244
| +1,360% | +$3.29M |
|
178
Opendoor
OPEN
$3.78B
| $3.51M | ﹤0.01% |
405,912
+173,776
| +75% | +$1.5M |
|
179
Apollo Global Management
APO
$75.9B
| $3.43M | ﹤0.01% |
+55,284
| New | +$3.43M |
|
180
Kroger
KR
$45.1B
| $3.42M | ﹤0.01% |
+59,623
| New | +$3.42M |
|
181
Consolidated Edison
ED
$35.3B
| $3.42M | ﹤0.01% |
36,089
+22,676
| +169% | +$2.15M |
|
|
TRTN
182
DELISTED
Triton International Limited
TRTN
| $3.42M | ﹤0.01% |
+48,682
| New | +$3.42M |
|
183
Box
BOX
$4.69B
| $3.4M | ﹤0.01% |
116,911
+37,266
| +47% | +$1.08M |
|
184
Global X Uranium ETF
URA
$4.23B
| $3.36M | ﹤0.01% |
128,575
+12,036
| +10% | +$315K |
|
185
Howmet Aerospace
HWM
$70.3B
| $3.34M | ﹤0.01% |
92,906
+31,119
| +50% | +$1.12M |
|
186
Invesco Solar ETF
TAN
$722M
| $3.33M | ﹤0.01% |
44,155
+26,885
| +156% | +$2.03M |
|
|
LAC
187
DELISTED
Lithium Americas Corp. Common Shares
LAC
| $3.3M | ﹤0.01% |
85,779
+38,799
| +83% | +$1.49M |
|
188
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$13.4B
| $3.29M | ﹤0.01% |
+33,692
| New | +$3.29M |
|
189
Invesco CurrencyShares Japanese Yen Trust
FXY
$559M
| $3.23M | ﹤0.01% |
41,979
+19,376
| +86% | +$1.49M |
|
190
Invesco Actively Managed Exch-Traded Commodity Fd Tr Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF
PDBC
$4.52B
| $3.22M | ﹤0.01% |
+182,265
| New | +$3.22M |
|
191
Airbnb
ABNB
$76.5B
| $3.21M | ﹤0.01% |
18,705
-13,850
| -43% | -$2.38M |
|
|
TE
192
T1 Energy Inc.
TE
$285M
| $3.16M | ﹤0.01% |
257,590
+223,006
| +645% | +$2.73M |
|
193
Scorpio Tankers
STNG
$2.64B
| $3.15M | ﹤0.01% |
147,423
+25,492
| +21% | +$545K |
|
194
Academy Sports + Outdoors
ASO
$3.31B
| $3.14M | ﹤0.01% |
79,705
+10,157
| +15% | +$400K |
|
195
Ally Financial
ALLY
$12.6B
| $3.13M | ﹤0.01% |
72,063
+47,944
| +199% | +$2.08M |
|
|
MMP
196
DELISTED
Magellan Midstream Partners, L.P.
MMP
| $3.11M | ﹤0.01% |
63,331
+42,152
| +199% | +$2.07M |
|
|
DISH
197
DELISTED
DISH Network Corp.
DISH
| $3.1M | ﹤0.01% |
98,058
+78,974
| +414% | +$2.5M |
|
198
Tower Semiconductor
TSEM
$6.96B
| $3.07M | ﹤0.01% |
63,459
+52,914
| +502% | +$2.56M |
|
199
Zoetis
ZTS
$67.6B
| $3.04M | ﹤0.01% |
+16,097
| New | +$3.04M |
|
|
AMED
200
DELISTED
Amedisys
AMED
| $3.02M | ﹤0.01% |
+17,507
| New | +$3.02M |
|